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SubjectRe: [RFC -tip] x86: introduce ENTRY(KPROBE)_X86 assembly helpers to catch unbalanced declaration
[Ingo Molnar - Sun, Nov 23, 2008 at 07:54:17PM +0100]
|
| * Cyrill Gorcunov <gorcunov@gmail.com> wrote:
|
| > [Sam Ravnborg - Sun, Nov 23, 2008 at 07:12:48PM +0100]
| > ...
| > | >
| > | > I don't have -next tree on my laptop, neither cross-compile tools but
| > | > if someone could test it -- it would be great. But I used gas macros
| > | > here -- i doubt other architectures has the same syntax. At least
| > | > PDP-11 would beat us with ';' symbol :)
| > |
| > | If we include this in any of the 100+ trees that Stephen sucks
| > | into -next we will get it tried out.
| > |
| > | Ingo has so and so does others so getting it into -next
| > | is rather easy. Then the automated builds will tell of if
| > | it fails on any of the toolchains used there.
| > |
| > | Sam
| > |
| >
| > Sam, to be clear, you mean that I could put this stuff into general
| > include/linux/linkage.h with general names as ENTRY/END and the same
| > for KPROBE so it could be merged into -next tree for testing? If
| > yes, that as I said there will be a lot of errors so build will
| > stuck in a moment 'cause of unbalanced ENTRY. Not sure if it's a
| > good idea :)
|
| neither do i think it's a particularly good idea. Lets first prototype
| it on x86, see how it works out in practice, and then see whether it
| can be generic. Then it can just be lifted into the generic linkage.h
| separately, and we can then see whether it causes new problems.
|
| Ingo
|

So be it :) Btw I think Alexander is right -- better to use .warning
instead of .error (and without .abort) even on x86. Could you update
Ingo?

- Cyrill -


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